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Help me!

Bill left a hammer out in the rain all day. The next morning it had rust on it.
Oxygen and a metal chemically combine to form rust. What is rust an example of?
O a mixture
• a solution
an element
a compound

User ChinnaR
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2 Answers

5 votes

Answer:D.Compound

Explanation: internet

User Hidde
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11 votes
It is a compound yep
User Irina Potapova
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